file format should be .jpg
filename (including ".jpg") must be less than 40 characters
The filename should be something more useful than "IMG_0012345.jpg". This will facilitate finding the item should it need to be edited at some later time. Suggested format for image filename: [artistlastname.titleofartwork.jpg]. For example if the artist is Garry Woodcock and the title of the work is "Kite Festival", then the filename could be: woodcock.kitefest.jpg
Do not use any of these characters in the filename: @ $ % & / \ ;
Do not use spaces in the filename.
Rename the file before you select it for uploading